Product reviews for Adaptec 1772900 2906 PCI SCSI Card 

Specification Mfr Part Number 1772900 Highlights Increase performance 10 MBsec data transfer rate Plug and play installation Broadest compatibility Compatible with older SCSI peripherals as well as newer SCSI Connect upto 7 SCSI peripherals with one card Supports both Mac and PC Product Description Ideal for SCSI Zip drives, scanners, or CD ROM drives Key Differentiators Fast SCSI connectivity DB25 pin External connector Data Transfer Rate Upto 10 MBs External Connectors DB25 pin Internal Connectors 50 pin standard Bus Type 32 bit PCI Supported Protocols SCSI 1, SCSI 2 and Fast SCSI 2 Peripheral Support Non bootable Data Transfer Rate Interface Transfer Method DMA Direct Memory Access Data Transfer Rate System Requirements PC Desktop with available PCI expansion slot IBM compatible PC 486, Pentium or above Microsoft Windows XP, 2000 Professional, Me, NT, 98, 95, 3.1, or DOS 6.0 and above Macintosh PCI based Power Mac running Mac OS 8.5 or later now including OS X 10.1 PCI expansion slot DimensionsWxL 2.6 x 4.7 inch